SKU: 27086608178

Audi 4.0T Catted Downpipe For C7 S6, S7, RS7 & D4 A8, S8 - ARM Motorsports

Sale price$312.75 Regular price$347.50
Save 10%

Pay in installments of $86.88 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 24 - Aug 29

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Audi 4.0T Catted Downpipe For C7 S6, S7, RS7 & D4 A8, S8 - ARM MotorsportsHIGHLIGHTS Gain up to 37whp 42wtq Faster Turbo Spool Improved Exhaust Note Here Catless Version PROFILE The ARM 4. 0T Catted Downpipes immediately improve backpressure in your exhaust system,allowing your Audi 4. 0T turbos to spool faster and generate more power lower in the RPM range. The OEM 4. 0T downpipes incorporate two large coffee can size catalysts which reduce exhaust flow and power from your 4. 0T. By replacing your OEM 4. 0T downpipes with

HIGHLIGHTS

• Gain up to 37whp / 42wtq
• Faster Turbo Spool 
• Improved Exhaust Note



PROFILE

The ARM 4.0T Catted Downpipes immediately improve backpressure in your exhaust system,allowing your Audi 4.0T turbos to spool faster and generate more power lower in the RPM range



The OEM 4.0T downpipes incorporate two large coffee can-size catalysts which reduce exhaust flow and power from your 4.0T.  By replacing your OEM 4.0T downpipes with the ARM 4.0T Catted downpipes you will eliminate this restriction and free up exhaust flow.

Another drawback of the OEM downpipes is they are designed to cross over each other.  The driver side turbo connects to the passenger side midpipe, and vice versa on the opposite side.  This forces the exhaust gasses to take a longer pathway with several sharp kinks and turns. The ARM 4.0T Catted Downpipes begin and end on the same side to improve airflow and shorten the travel-path of the exhaust gasses. This results in faster turbo spool, more torque, and improved throttle response.  


CONSTRUCTION

 The ARM 4.0T Catted Downpipes are built from SS304 stainless steel to ensure build strength and weld integrity for the life of your Audi 4.0T.  You will never need another set of downpipes again!


The ARM 4.0T Catted Downpipes feature a 200 Cell Catalyst. Pair these downpipes with our CEL Delete kit to avoid a check engine light.

 

Starting at the turbos, the ARM 4.0T Catted downpipes are made from one solid 4.4" x 3" collector for durability.  This collector is welded to an OEM-style 5-Bolt flange that will fit any turbo upgrade for the 4.0T platform.  






The ARM 4.0T Catted Downpipes include a stainless steel flex section to relieve stress from the turbos during aggressive acceleration, cornering, and braking. 


The ARM 4.0T Catted Downpipes utilize the OEM transmission mounting brackets to further secure them in place during aggressive driving.



The ARM 4.0T Catted Downpipes transition to a 2.25" 3-Bolt flange to match up perfectly to the OEM Midpipes or the ARM 4.0T Midpipes.



 

NEXT-LEVEL EXHAUST HARMONICS

While the ARM 4.0T Catted Downpipes enhance the sound of your exhaust dramatically, if you are looking to take your exhaust note to the next level, the ARM 4.0T Midpipes are an easy upgrade to further open up the incredible sound of your 4.0T. 



Audi designed the OEM midpipes with dual resonators to suppress the sound of your 4.0T.  While that may be desirable for some drivers, as an enthusiast you want to hear more of the amazing sound generated by the twin-turbo V8 under the bonnet.  The ARM 4.0T Midpipes do exactly that.  If you install the upgraded midpipes while installing the downpipes, it only adds approximately 10 minutes to the installation, making it the perfect time to install the midpipes.  


IN THE BOX

• 2x ARM 4.0T Downpipes
• 2x ARM Turbo Gaskets
• 2x ARM Midpipe Gaskets
• 10x Replacement Turbo Studs
• 10x Turbo Stud Nuts
• 6x Midpipe Bolts
• 6x Midpipe Nuts


FITMENT GUIDE


Make Chassis Model Engine
AUDI
C7
S6
4.0T
AUDI
C7
S7 4.0T
AUDI
C7.5 S6
4.0T
AUDI C7.5 S7 4.0T
AUDI D4 A8 4.0T
AUDI D4 S8 4.0T
AUDI C7 RS7 4.0T
AUDI C7.5 RS7 4.0T
 

ARM MOTORSPORTS LIFETIME WARRANTY

Every ARM Motorsports product is backed by a lifetime warranty which is automatically issued at the time of purchase. Your warranty protects you against any defects in craftsmanship or fitment. The warranty entitles you to a replacement unit.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 27086608178

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.7 ★★★★★
Based on 16 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
J
Verified Purchase
J. Urbank
Houston, US
★★★★★ 5
Good coffee warmer
Color: Black
Works very well. Wish I had bought it sooner.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
S
Verified Purchase
Sparkie
Grantham, US
★★★★★ 5
Excellent Warmer and the Rubber Pad is a very nice extra...
Color: 301 Black
... This really fits my cups perfectly... Just like it was made for these very cups. I wish I had found this one a long time ago and I am considering purchasing another one! Not Sure why they call it a "Coffee Cup Warmer", it would better known as a Beverage Warmer... but either way, it is a great unit and works great. Heat is great, I don't drink coffee, but it works equally well on Tea... This is an Excellent Value for the money.... Not throwing away cold tea and it stays HOT and mostly fresh! I wish I had found this a long time ago, much better than my older units. I will be purchasing another one in the near future! I think this unit is built well and will last a long time and I will... "Coffee Flavor" - No Thanks.... But it works great on HOT TEA! - Excellent Warmer and the Rubber Pad is a very nice extra... (It will help in not getting burned when I accidentally touch the heating surface by mistake! Excellent thought from the designer! You can adjust how hot to keep it and has a digital display to show the Temp that it is keeping the temperature of. I really like this item and I do highly recommend for Hot Tea and Coffee Drinkers, Works great for Hot Chocholate as well!... Doesn't let your drink get cold!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 23, 2026
B
Verified Purchase
Bijou
Draper, US
★★★★★ 5
It's exactly what I was looking for!!
Color: 301 Pink, Color: 301 Pink
This one beats all the other mug warmers I researched on Amazon! That circular pad around the mug can come up and it's flat to the edges so I can sit my whole little flat bottom glass pot of tea directly on it and it keeps it hot, and I mean HOT all day! It also has 6 settings. The 130 barely keeps things warm for me but it goes up to 180 degrees! At 180 You can put your completely cold cup of tea that you left out all night and forgot about, turn this thing on and it will reheat your stale tea (that you probably shouldn't be drinking now) back up to pipping hot, steam coming off, you need to blow on it to take a sip levels! (Yes, I know you shouldn't drink tea that you left out all night but I'm just being real). If you want your hot drink to stay actually HOOOT but also have the option for it to be just lukewarm if that's you're thing, then this thing is for you! It also has a timer for shut off which is neat. The $20 spent on this has changed my life haha!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2025
C
Verified Purchase
Crazy Fish
San Leandro, US
★★★★★ 5
Upgrade from our last one, nice box, easy to read and adjust. Standard plug
Color: 301 Black, Color: 301 Black
One of our old coffee mug warmers finally died and we were looking for a replacement - this is way better than the old one. It comes in a nice printed box - so great for a gift. Standard AC plug and really easy to see button on front. This one shows the temperature and that's handy. It's just the right size for a good sized coffee mug and keeps it warm for hours - if the coffee lasts that long. It's easy to see that it's on so I can turn it off, but it also has auto off if you forget. I'm not really sure what the silicon topper is for, but it sure does look nice. Easy to clean when turned off and I have to say it's pretty professional looking. It's a 30 watt model so it draws enough energy to keep that coffee warm and can heat up to 180 - that's too hot for my use but I'm sure you can warm something else with it. Overall: A huge upgrade from our last one. Easier to read, use and clean.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 27, 2025
C
Verified Purchase
Christopher J. Amburn
Waukegan, US
★★★★★ 4
Good mug warmer
Color: 301 Black
I like this mug warmer a lot. You can choose your temp and it keeps my tea very hot. I also like the auto shut off so I don't have the panic of "did I turn it off? My two minor complaints: 1. The rubber pad that comes with it doesn't stay in place and gets very hot. I just don't use it. 2. The controls are very sensitive. There are so many times that I pick up my mug and I change the temp or I change the timer because my finger brushed up against it. But, otherwise, it's a good value for the money.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026

recommand products